High Definition Guide

Common Broadcast Formats

HDNet, CBS, NBC, Discovery HD, TNT HD

Every digital frame is unique and contains a complete image. The frames advance without overlapping or blending in a truly progressive raster and at frame rate. Progressive imaging better imitates film.

The raster has an interlaced structure and objects move at the field rate. Each frame is split into two fields, odd and even, each consisting of half the lines, which are interlaced together forming a complete image.

HD has an aspect ratio of 16:9 ("widescreen") as opposed to the standard definition ratio of 4:3.



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The content of the Camera Crews, Inc. Web site is copyrighted, and unauthorized use of the content may constitute a violation of applicable copyright, trademark, patent or other laws. This site may contain information, logos, and artwork which are copyrighted by others and protected by the various trademarks and copyrights of the companies represented. It is unlawful to copy, redistribute, and/or republish the above without the expressed prior written consent of the owners and holders of the trademarks and copyrights. Camera Crews, Inc. uses certain logos only as a graphical depiction of companies we have worked with.